JPS5585236A - Differential-pressure transmitter - Google Patents
Differential-pressure transmitterInfo
- Publication number
- JPS5585236A JPS5585236A JP15740078A JP15740078A JPS5585236A JP S5585236 A JPS5585236 A JP S5585236A JP 15740078 A JP15740078 A JP 15740078A JP 15740078 A JP15740078 A JP 15740078A JP S5585236 A JPS5585236 A JP S5585236A
- Authority
- JP
- Japan
- Prior art keywords
- cantilever
- pressure transmitter
- differential
- symmetry
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
- G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
- G01L13/025—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using diaphragms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
- G01L9/0052—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15740078A JPS5585236A (en) | 1978-12-22 | 1978-12-22 | Differential-pressure transmitter |
US06/103,407 US4306460A (en) | 1978-12-22 | 1979-12-13 | Differential pressure transducer |
GB7943346A GB2040456B (en) | 1978-12-22 | 1979-12-17 | Differential pressure transducer |
DE2951854A DE2951854C2 (de) | 1978-12-22 | 1979-12-21 | Differenzdruck-Meßumformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15740078A JPS5585236A (en) | 1978-12-22 | 1978-12-22 | Differential-pressure transmitter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5585236A true JPS5585236A (en) | 1980-06-27 |
Family
ID=15648796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15740078A Pending JPS5585236A (en) | 1978-12-22 | 1978-12-22 | Differential-pressure transmitter |
Country Status (4)
Country | Link |
---|---|
US (1) | US4306460A (ja) |
JP (1) | JPS5585236A (ja) |
DE (1) | DE2951854C2 (ja) |
GB (1) | GB2040456B (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1194839B (it) * | 1980-12-22 | 1988-09-28 | Bourns Instr Inc | Apparecchio per misurare la pressione in particolare di un fluido che scorre attraverso un orifizio o simile |
HU182406B (en) * | 1981-10-19 | 1984-01-30 | Magyar Optikai Muevek | Measuring cell, preferably for measuring small pressures or differences of pressures |
US4475405A (en) * | 1982-03-12 | 1984-10-09 | Rosemount Inc. | Differential pressure vortex sensor |
US4572000A (en) * | 1983-12-09 | 1986-02-25 | Rosemount Inc. | Pressure sensor with a substantially flat overpressure stop for the measuring diaphragm |
US4690673A (en) * | 1985-11-26 | 1987-09-01 | Imed Corporation | Dual mode I.V. infusion device with distal sensor |
US4617014A (en) * | 1985-11-26 | 1986-10-14 | Warner-Lambert Company | Dual mode I. V. infusion device |
US4668889A (en) * | 1986-06-06 | 1987-05-26 | Adams Donald L | Static overpressure protection system for differential pressure transducer |
US4823604A (en) * | 1987-05-22 | 1989-04-25 | Pall Corporation | Pressure transducer assembly |
EP0438373B1 (de) * | 1990-01-18 | 1994-09-28 | Wirth Gallo Messtechnik Ag | Differenzdruckmesser |
US5217355A (en) * | 1991-08-05 | 1993-06-08 | Imed Corporation | Two-cycle peristaltic pump with occlusion detector |
US6234773B1 (en) | 1994-12-06 | 2001-05-22 | B-Braun Medical, Inc. | Linear peristaltic pump with reshaping fingers interdigitated with pumping elements |
US5796007A (en) * | 1996-09-23 | 1998-08-18 | Data Instruments, Inc. | Differential pressure transducer |
JP4719727B2 (ja) * | 2007-09-05 | 2011-07-06 | 長野計器株式会社 | 圧力センサの製造方法および圧力センサ |
GB2489246B (en) * | 2011-03-22 | 2015-10-28 | Illinois Tool Works | Differential deflection measurement in structural members |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3343420A (en) * | 1963-11-29 | 1967-09-26 | Hitachi Ltd | Differential pressure transmitters |
US3363456A (en) * | 1965-02-02 | 1968-01-16 | Blh Electronics | Cantilever beam transducers |
JPS5331635B2 (ja) * | 1972-11-01 | 1978-09-04 | ||
US4058788A (en) * | 1976-04-05 | 1977-11-15 | Bourns, Inc. | Differential pressure transducer |
DE2623993B2 (de) * | 1976-05-26 | 1980-05-08 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Druckdifferenz-Meßgerät |
US4203327A (en) * | 1978-06-29 | 1980-05-20 | Honeywell Inc. | Piezoresistive silicon strain sensors and pressure transducers incorporating them |
US4212209A (en) * | 1978-09-07 | 1980-07-15 | Honeywell Inc. | Differential pressure to electric current transducer employing a strain sensitive resistive pattern on a substrate having a high modulus of elasticity |
-
1978
- 1978-12-22 JP JP15740078A patent/JPS5585236A/ja active Pending
-
1979
- 1979-12-13 US US06/103,407 patent/US4306460A/en not_active Expired - Lifetime
- 1979-12-17 GB GB7943346A patent/GB2040456B/en not_active Expired
- 1979-12-21 DE DE2951854A patent/DE2951854C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2951854C2 (de) | 1984-10-31 |
GB2040456B (en) | 1983-05-11 |
US4306460A (en) | 1981-12-22 |
GB2040456A (en) | 1980-08-28 |
DE2951854A1 (de) | 1980-06-26 |
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